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The GOHSEP 2010 imagery has been added to the new Atlas site as downloads and as a web service basemap. The imagery was provided to Atlas as individual parish mosaics with the boundary images clipped to exclude parts of the quad not contained with the parish boundary. Therefore, to get a complete image of a quad […]

A collection of MrSid files not available on the old Atlas site has been added here: the 2008 DOQQ coastal imagery dataset. The images cover parts of Louisiana, Mississippi, and Alabama at 1-meter resolution in color infrared and true color. Both products are available for download and as web services. See the map or dataset […]

Atlas’ collection of scanned USGS topographic maps, or digital raster graphics (DRG), are now accessible through a new map downloader and FTP site. The historical DRGs are mostly from 1998 and are in TIFF format. The collection includes a set of “updated” sheets for 74 quads around the state. The scans are a little higher quality and […]

The elevation dataset created by the Louisiana Statewide Lidar Project, begun in 2000 and carried out over a few years, has been posted to the new Atlas site. The project produced contours and DEM imagery derived from the lidar point cloud data. All are available for download from the dataset details page. Here’s […]